Famed for bringing Blair Waldorf to our screens, Leighton has been a brunette since pretty much forever. Although she’s favoured light caramel balayage in recent times, we’re sure you’ll agree the hair change up is a pretty radical one.

Taking to Instagram to share snaps of her new ‘do last night, the Gossip Girl icon sent the internet into a bit of a meltdown. (Also – can we talk about those brows?)

Leighton’s colourist Aura Friedman took the time to answer Blair Waldorf fans’ questions in the comments, including recommending Davines as one of the best purple shampoo choices for maintaining bleach blonde hairstyles.